var data={"data":{"videoUrl":"http://huaren.vods2.cnlive.com/326/vod/2018/0306/326_4c84aa9ce59b40269b9330a5b0016241/ff808081617881440161f93610916823_3000.mp4"},"errorCode":"0","errorMessage":"成功获取flash点播URL"};
var zNodes = JSON.stringify(data);
console.log(zNodes);